On the functional aspects of variability in postural control

  • Van Emmerik R
  • Van Wegen E
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Abstract

Current research in nonlinear dynamics and chaos theory has challenged traditional perspectives that associate high variability with performance decrement and pathology. It is argued that variability can play a functional role in postural control and that reduction of variability is associated with changes in balance with aging and neurological disease.

Author-supplied keywords

  • Aging
  • Complexity
  • Parkinson's disease
  • Postural stability
  • Variability

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